Portrait camera with automatic iris diaphragm operation,申请号US19460642911-传众专利搜索

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发明名称	Portrait camera with automatic iris diaphragm operation
摘要
申请公布号	US2424176(A)	申请公布日期	1947.07.15
申请号	US19460642911	申请日期	1946.01.23
申请人	GRAFLEX, INC.	发明人	KALS WILLIAM S.
分类号	G03B9/08	主分类号	G03B9/08
代理机构		代理人
主权项
地址

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